JP4909244B2 - 干渉測定装置 - Google Patents
干渉測定装置 Download PDFInfo
- Publication number
- JP4909244B2 JP4909244B2 JP2007298019A JP2007298019A JP4909244B2 JP 4909244 B2 JP4909244 B2 JP 4909244B2 JP 2007298019 A JP2007298019 A JP 2007298019A JP 2007298019 A JP2007298019 A JP 2007298019A JP 4909244 B2 JP4909244 B2 JP 4909244B2
- Authority
- JP
- Japan
- Prior art keywords
- path length
- optical path
- length difference
- moving
- interference
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/0209—Low-coherence interferometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/2441—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using interferometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02055—Reduction or prevention of errors; Testing; Calibration
- G01B9/0207—Error reduction by correction of the measurement signal based on independently determined error sources, e.g. using a reference interferometer
- G01B9/02071—Error reduction by correction of the measurement signal based on independently determined error sources, e.g. using a reference interferometer by measuring path difference independently from interferometer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/14—Beam splitting or combining systems operating by reflection only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/14—Beam splitting or combining systems operating by reflection only
- G02B27/144—Beam splitting or combining systems operating by reflection only using partially transparent surfaces without spectral selectivity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
- G01B2290/60—Reference interferometer, i.e. additional interferometer not interacting with object
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007298019A JP4909244B2 (ja) | 2007-11-16 | 2007-11-16 | 干渉測定装置 |
| DE112008003129.0T DE112008003129B4 (de) | 2007-11-16 | 2008-11-11 | Interferenz-Messvorrichtung |
| PCT/JP2008/070502 WO2009063863A1 (fr) | 2007-11-16 | 2008-11-11 | Dispositif de mesure d'interférences |
| US12/742,802 US8248593B2 (en) | 2007-11-16 | 2008-11-11 | Interference measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007298019A JP4909244B2 (ja) | 2007-11-16 | 2007-11-16 | 干渉測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009122033A JP2009122033A (ja) | 2009-06-04 |
| JP4909244B2 true JP4909244B2 (ja) | 2012-04-04 |
Family
ID=40638712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007298019A Active JP4909244B2 (ja) | 2007-11-16 | 2007-11-16 | 干渉測定装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8248593B2 (fr) |
| JP (1) | JP4909244B2 (fr) |
| DE (1) | DE112008003129B4 (fr) |
| WO (1) | WO2009063863A1 (fr) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8810904B2 (en) * | 2011-02-09 | 2014-08-19 | Northwestern University | Optical contact micrometer |
| US10215552B2 (en) | 2014-07-01 | 2019-02-26 | Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno | Optical coherence tomography microscopy apparatus and method for detecting a three-dimensional image of an object |
| JP6655888B2 (ja) | 2014-08-20 | 2020-03-04 | キヤノン株式会社 | 計測装置、計測方法、および物品の製造方法 |
| US10393500B2 (en) * | 2015-01-30 | 2019-08-27 | Hamamatsu Photonics K.K. | Interference observation device and interference observation method |
| WO2016121249A1 (fr) | 2015-01-30 | 2016-08-04 | 浜松ホトニクス株式会社 | Dispositif optique d'interférence, dispositif et procédé d'observation d'interférence |
| JP5839759B1 (ja) * | 2015-07-30 | 2016-01-06 | 浜松ホトニクス株式会社 | 光干渉計 |
| WO2018093637A1 (fr) * | 2016-11-18 | 2018-05-24 | Zygo Corporation | Procédé et appareil d'optimisation du rendement optique d'interféromètres |
| WO2018194985A1 (fr) * | 2017-04-19 | 2018-10-25 | Drs Network & Imaging Systems, Llc | Imageur hyper-spectral actif |
| JP6851301B2 (ja) * | 2017-12-20 | 2021-03-31 | 浜松ホトニクス株式会社 | 観察対象物カバー、干渉観察用容器、干渉観察装置及び干渉観察方法 |
| CN110057743A (zh) * | 2019-05-06 | 2019-07-26 | 西安交通大学 | 基于光学虚拟染色的血涂片免标记细胞三维形态检测方法 |
| JP7761129B2 (ja) * | 2022-03-11 | 2025-10-28 | 株式会社ニコン | 撮像装置および撮像方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4818108A (en) * | 1987-12-14 | 1989-04-04 | Hughes Optical Products, Inc. | Phase modulated ronchi testing of aspheric surfaces |
| US5166749A (en) | 1991-05-22 | 1992-11-24 | Bio-Rad Laboratories | Step scanning technique for interferometer |
| JP3508240B2 (ja) * | 1994-09-13 | 2004-03-22 | 株式会社ニコン | レーザー干渉距離測定装置 |
| JP4246326B2 (ja) | 1999-08-27 | 2009-04-02 | 東レエンジニアリング株式会社 | 表面形状測定方法及びその装置 |
| JP2005283387A (ja) | 2004-03-30 | 2005-10-13 | Sumitomo Osaka Cement Co Ltd | 厚さ測定装置ならびに厚さ測定方法 |
| JP4837300B2 (ja) * | 2005-03-24 | 2011-12-14 | 株式会社トプコン | 光画像計測装置 |
-
2007
- 2007-11-16 JP JP2007298019A patent/JP4909244B2/ja active Active
-
2008
- 2008-11-11 US US12/742,802 patent/US8248593B2/en active Active
- 2008-11-11 DE DE112008003129.0T patent/DE112008003129B4/de active Active
- 2008-11-11 WO PCT/JP2008/070502 patent/WO2009063863A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US8248593B2 (en) | 2012-08-21 |
| US20100309479A1 (en) | 2010-12-09 |
| JP2009122033A (ja) | 2009-06-04 |
| DE112008003129B4 (de) | 2024-10-17 |
| DE112008003129T5 (de) | 2010-10-14 |
| WO2009063863A1 (fr) | 2009-05-22 |
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